#42CE40#42CE40

#42CE40 is a light, highly saturated green. Relative luminance 0.457; OKLCH L 74.9% C 0.217 H 142.8°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#42CE40
RGB	rgb(66, 206, 64)
HSL	hsl(119, 59%, 53%)
HSV	hsv(119, 69%, 81%)
CMYK	cmyk(68%, 0%, 68.9%, 19.2%)
CIE-LAB	lab(73.33, -63.65, 57.25)
CIE-LCH	lch(73.33, 85.61, 138.03°)
OKLab	oklab(74.91% -0.1729 0.131)
OKLCH	oklch(74.91% 0.217 142.8)
XYZ	xyz(25.2420, 45.6683, 12.3341)
Luminance	0.4567 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CE40 #CC40CE

analogous

#89CE40 #42CE40 #40CE85

triadic

#42CE40 #4042CE #CE4042

tetradic

#42CE40 #4089CE #CC40CE #CE8540

square

#42CE40 #4089CE #CC40CE #CE8540

split-complementary

#42CE40 #8540CE #CE4089

monochromatic

#1F751E #2CA62B #42CE40 #72DA71 #A2E7A1

Accessibility & contrast

On white

2.07

#42CE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#42CE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CE40

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CE40	#FFFFFF	#000000	##000000
##42CE40	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2B

Deuteranopia (green-blind)

#C2B04E

Tritanopia (blue-blind)

#1CC8B2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42ce40;
/* rgb */ color: rgb(66, 206, 64);
/* oklch */ color: oklch(74.9% 0.217 142.8);

Tailwind

colors: {
  custom: {
    50: '#89de7c',
    500: '#42ce40',
    950: '#000000',
  },
}

SCSS

$custom: #42ce40;
$custom-light: #89de7c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ce40",
  "rgb": {
    "r": 66,
    "g": 206,
    "b": 64
  },
  "hsl": {
    "h": 119.155,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74908,
    "c": 0.21696,
    "h": 142.8
  },
  "luminance": 0.45671
}

Semantic roles & 50–950 ramp

primary

#42CE40

secondary

#D396D4

accent

#45E2E0

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CE40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →